| … | |
… | |
| 458 | y = pos.y; |
458 | y = pos.y; |
| 459 | |
459 | |
| 460 | return pos; |
460 | return pos; |
| 461 | } |
461 | } |
| 462 | |
462 | |
|
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463 | // iterate over a rectangular area relative to op |
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464 | // can be used as a single statement, but both iterate macros |
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465 | // invocations must not be followed by a ";" |
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466 | // see common/los.C for usage example |
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467 | #define rectangular_mapspace_iterate_begin(op,dx0,dx1,dy0,dy1) \ |
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468 | for (int dx = (dx0); dx <= (dx1); dx++) \ |
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469 | { \ |
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470 | sint16 nx, ny; \ |
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471 | maptile *m = 0; \ |
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472 | \ |
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473 | for (int dy = (dy0); dy <= (dy1); dy++) \ |
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474 | { \ |
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475 | /* check to see if we can simply go one down quickly, */ \ |
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476 | /* if not, due it the slow way */ \ |
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477 | if (!m || ++ny >= m->height) \ |
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478 | { \ |
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479 | nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \ |
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480 | \ |
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481 | if (xy_normalise (m, nx, ny)) \ |
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482 | m->touch (); \ |
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483 | else \ |
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484 | m = 0; \ |
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485 | } |
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486 | |
|
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487 | #define rectangular_mapspace_iterate_end \ |
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488 | } \ |
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489 | } |
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490 | |
| 463 | #endif |
491 | #endif |
| 464 | |
492 | |
